Inclusion Criteria:
* Written informed consent obtained prior to initiating any trial-specific procedures or assessments.
* Male or female patients aged 18 years or over.
* Patients with histologically or cytologically confirmed pancreatic adenocarcinoma that is metastatic (stage IV) at diagnosis and who have not received any treatment for their pancreatic cancer.
* Patients must be able to receive their first dose of VCN-01 ≤6 weeks after their metastatic pancreatic cancer diagnosis.
* Patients must have at least one measurable tumor lesion that can be imaged for assessments according to RECIST 1.1.
* ECOG performance status of 0 or 1 at enrollment.
* Must be willing to comply with the trial intervention, including prophylactic medications, and procedures.
* Adequate baseline organ function (hematologic, liver, renal) within the 7 days prior to enrollment:
Hematology:
* Leukocytes ≥3.0x103 mcL
* Absolute neutrophil count ≥1.5x10⁹/L
* Hemoglobin ≥9 g/dL
* Platelets ≥100x10⁹/L
Coagulation:
* Prothrombin time or international normalized ratio ≤1x upper limit of normal (ULN)
* Activated partial thromboplastin time ≤1.2xULN
Hepatic:
* Total bilirubin ≤1.5xULN
* ALT and AST ≤2.5xULN (\<5xULN is acceptable if liver metastases are present)
Renal:
* Serum creatinine ≤1.5xULN; or,
* If serum creatinine \>1.5xULN, an estimated creatinine clearance \>50 mL/min using the Cockcroft and Gault formula
Nutritional:
• Serum Albumin ≥30 g/L
\- Adequate left ventricular ejection fraction (LVEF) ≥ 50% measured by ECHO or MUGA and QT interval corrected by Fridericia (QTcF) assessment ≤ 450 ms for men or ≤ 470 ms for women.
Exclusion Criteria:
* Unwillingness to complete the trial procedures for geographic, psychiatric, or social reasons.
* Patient has previously received treatment for their metastatic pancreatic cancer with surgery, radiotherapy, chemotherapy or investigational therapy; except that:
* Palliative radiotherapy for pain is permitted;
* Placement of a biliary stent/tube is permitted.
* Patients who, in the opinion of the investigator, have symptoms or signs suggesting clinically unacceptable deterioration during the Screening Period.
* Active infection or other serious illness or autoimmune disease at the moment of enrollment. Active infection includes:
• Tuberculosis (TB; clinical evaluation that includes clinical history, physical examination and radiographic findings, and TB testing in line with local practice.
* Patients with past or resolved TB are eligible to participate.
• Hepatitis B Virus (HBV; positive HBV surface antigen \[HBsAg\] result).
* HBV carriers (patients positive for HBsAg without an active infection) are not eligible to participate;
* Patients requiring antiviral medicines for HBV prophylaxis or treatment are not eligible to participate;
* Patients with a past or resolved HBV infection (defined as the presence of hepatitis B core antibody \[HBcAb\] and absence of HBsAg) are eligible to participate provided that blood HBV DNA is negative at enrollment.
• Hepatitis C Virus (HCV; positive HCV Ribonucleic acid \[RNA\]).
* Patients requiring antiviral medicines for HCV prophylaxis or treatment are not eligible to participate;
* Patients positive for HCV antibody are eligible to participate (only if polymerase chain reaction is negative for HCV RNA).
* Human immunodeficiency virus (positive HIV 1/2 antibodies)
Active infection or other serious illness or autoimmune disease at the moment of enrollment. Active infection includes:
* Tuberculosis (TB; clinical evaluation that includes clinical history, physical examination and radiographic findings, and TB testing in line with local practice.
\- Patients with past or resolved TB are eligible to participate.
* Hepatitis B Virus (HBV; positive HBV surface antigen \[HBsAg\] result).
* HBV carriers (patients positive for HBsAg without an active infection) are not eligible to participate;
* Patients requiring antiviral medicines for HBV prophylaxis or treatment are not eligible to participate;
* Patients with a past or resolved HBV infection (defined as the presence of hepatitis B core antibody \[HBcAb\] and absence of HBsAg) are eligible to participate provided that blood HBV DNA is negative at enrollment.
* Hepatitis C Virus (HCV; positive HCV Ribonucleic acid \[RNA\]).
* Patients requiring antiviral medicines for HCV prophylaxis or treatment are not eligible to participate;
* Patients positive for HCV antibody are eligible to participate (only if polymerase chain reaction is negative for HCV RNA).
* Human immunodeficiency virus (positive HIV 1/2 antibodies)
* Known chronic liver disease (e.g. liver cirrhosis, liver fibrosis, chronic hepatitis); except that:
* Patients with fatty liver disease are eligible to participate if their liver transaminases meet inclusion criterion 8.
* Concurrent malignant hematologic or solid disease; except that:
* Patients with a prior history of cancer are eligible to participate if they are in complete remission from their prior cancer for at least 3 years.
* Patients with Li Fraumeni syndrome or with previously known retinoblastoma protein pathway germline deficiency.
* Patients with untreated brain metastases and/or leptomeningeal carcinomatosis with progressive symptoms despite corticosteroid coverage; except that:
* Patients with brain metastases with stable symptoms are eligible to participate.
* Patients with previous pneumonitis or interstitial lung disease.
* Patients with pre-existing sensory neuropathy \>G1
* Clinical evidence of deep vein thrombosis, pulmonary embolism or arterial thromboembolic event during the Screening Period.
* Patients with superficial vein thrombosis are eligible to participate.
* Patients with uncontrolled coagulopathy.
* Any other condition, disease, metabolic dysfunction (e.g., uncontrolled diabetes mellitus), active or uncontrolled infection/inflammation, physical examination finding, mental state or clinical laboratory finding that would contraindicate participation in the clinical trial due to concerns over safety or potential non-compliance with clinical trial procedures.
* A female patient, who is pregnant or lactating.
* Female patients of reproductive potential must agree to use a highly effective method of birth control. Male patients must agree to use condoms.
* Treatment with live attenuated vaccines in the last 3 weeks before the administration of the IMP.
* Treatment with an adenovirus type-5 (Ad5)-based COVID-vaccine in the last 12 weeks before the administration of the IMP.
* Treatment with another investigational agent within five of that investigational agent's half-lives prior to the administration of the IMP.
* Chronic immunosuppressive therapy; except that:
* Inhaled corticosteroids are permitted;
* Oral or IV corticosteroids with a dose lower than 10 mg prednisone or equivalent/day are permitted;
* Dexamethasone up to a maximum dose of 1 mg/day is permitted.
* Known allergy or hypersensitivity to any of the trial-specific interventions or any of their excipients.
* Subjects, for whom first line treatment options other than the combination nab-paclitaxel/gemcitabine are recommended by the investigator.